diff --git a/interfaces/innerkits/samgr_proxy/include/system_ability_definition.h b/interfaces/innerkits/samgr_proxy/include/system_ability_definition.h
index c9eb8fb85cd4698e231ca7d7d986fd27bc2f2c49..3b6a1fe57b7316957528438906ffe7e100b2de08 100755
--- a/interfaces/innerkits/samgr_proxy/include/system_ability_definition.h
+++ b/interfaces/innerkits/samgr_proxy/include/system_ability_definition.h
@@ -181,6 +181,7 @@ enum {
     INPUT_METHOD_SYSTEM_ABILITY_ID                   = 3703,
     SCREENLOCK_SERVICE_ID                            = 3704,
     WALLPAPER_MANAGER_SERVICE_ID                     = 3705,
+    DOWNLOAD_SERVICE_ID                              = 3706,
     SUBSYS_SOURCECODETRANSFORMER_SYS_ABILITY_ID_BEGIN = 3800,
     SUBSYS_STARTUP_SYS_ABILITY_ID_BEGIN              = 3900,
     PARAM_WATCHER_DISTRIBUTED_SERVICE_ID             = 3901,